IERS Workshop on the Implementation of the New IAU Resolutions

Paris Observatory, 18-19 April 2002

Programme

Session 1: Introduction to the IERS Workshop
09:00 - 09:15 h	J. Vondrak, Chair of the IERS DB B. Richter, Director of the IERS CB J. Souchay, Chair of the LOC of the Workshop

Session 2: Background reasons for the IAU 2000 resolutions requiring actions from the IERS
09:15 - 09:45 h	J. Vondrak, IAU Representative in the IERS DB

Session 3: Consequences of the IAU 2000 Resolutions
09:45 - 10:45 h	Session 3.1: Practical consequences of Resolution BI.3 "Definition of Barycentric Celestial Reference System and Geocentric Celestial Reference System" Resolution B1.4 "Post-Newtonian Potential Coefficients" Resolution B1.5 "Extended Relativistic Framework for Time Transformations and Realization of Coordinate Times in the Solar System" Resolution B1.9 "Redefinition of Terrestrial Time TT"
09:45 - 10:45 h	M. Soffel, Chair of the IAU WG "RCMAM", and G. Petit (President IAU Commission 31)
10:45 - 11:15 h	Coffee Break
11:15 - 12:15 h	Session 3.2: Practical consequences of Resolution B1.6 "IAU2000 Precession-Nutation Model" Resolution B1.7 "Definition of Celestial Intermediate Pole" Resolution B1.8 "Definition and Use of Celestial and Terrestrial Ephemeris Origin" Additional information: Definition of the Celestial Ephemeris Origin and of UT1 in the International Celestial Reference Frame
11:15 - 12:15 h	D.D. McCarthy, IERS Convention Centre, and N. Capitaine, President IAU Commision 19
12:15 - 13:00 h	Open discussion
13:00 - 14:00 h	Lunch

Session 4: Comparison of "Old" and "New" Concepts
14:00 - 14:30 h	Session 4.1: Time G. Petit, IERS Convention Centr
14:30 - 15:00 h	Session 4.2: Reference Systems J. Kovalevsky
15:00 - 15:30 h	Session 4.3: Earth Orientation The Celestial Intermediate Pole and Earth Orientation Parameters, N. Capitaine Celestial Ephemeris Origin (CEO), Terrestrial Ephemeris Origin (TEO), Earth Rotation Angle (ERA), B. Guino
15:30 - 16:00 h	Coffee Break
16:00 - 16:30 h	Session 4.4: Astrometry K. Seidelmann

16:30 - 17:00 h	Review of the answers to the questionnaire
17:00 - 18:00 h	Poster Session

Session 4: Comparison of "Old" and "New" Concepts
09:00 - 09:45 h	Session 4.5: Future Almanacs and Future Ephemerides convenor: J. Bangert (USNO)
09:00 - 09:45 h	Implementing the IAU 2000 Resolutions in Almanacs, J. Banger Future Ephemerides, M. Standish, Presentation of M. Standish's report by R. Gross (JPL)

Session 5: Procedures and software (user oriented)
convenor: P. Wallace, Chair of SOFA, and A.M. Gontier
09:45 - 10:15 h	Session 5.1: Software for implementing the IAU 2000 Resolutions P. Wallace
10:15 - 10:45 h	Session 5.2: Software implications of ICRS/GCRS transformation: open discussion
10:45 - 11:15 h	Session 5.3: Software relative to transformation between GCRS and ITRS An implementation of IAU 2000 resolutions in VLBI analysis software, A.M. Gontier
11:15 - 11:45 h	Coffee Break

Session 6: Future IERS Products
11:45 - 12:45 h	convenor: M. Rothacher, IERS Analysis Coordinator

Session 7: Compatibility with past observations
12:45 - 13:15 h	convenor: D.D. McCarthy
13:15 - 14:05 h	Lunch

Session 8: Discussion
14:00 - 16:00 h	Led by J. Vondrak and convenors of session 3. Topics prepared by SOC from questionnaire and participant questions/comments (first part as parallel discussions on different topics in different meeting rooms if necessary)
16:00 - 16:30 h	Coffee Break

Session 9: Action Items
16:30 - 17:30 h	Led by B. Richter, Director IERS CB Publication of proceedings in IERS Technical Note Others...

Capitaine, N., Chapront, J., Lambert, S., Wallace, P.:
Expressions for the coordinates of the CIP and the CEO using IAU 2000 precession-nutation.
Fukushima, T.:
VLBI determination of J.G. William's formula.
Guinot, B.:
The NRO. Questions and answers.
Hilton, J.:
Method for conversion between the Celestial Ephemeris Origin, J2000.0, and the Equinox of Date.
Lambert, S., Bizouard, Ch.:
Computation of the position of the TEO in the ITRF.
Pavlis E.:
TRF Realization from Satellite Laser Ranging.
Ron C.:
The tables of differences between nutation series IAU2000, IERS1996 and IAU1980.
Fienga, A., Arlot, J.E., Berthier, J., Hestroffer, D., Simon, J.L.:
2005 New French Ephemerides: implementating new constants and new theories.
Souchay, J.:
The Celestial System ICRS: Principles and present realization.